Amphibia - Microsauria - Ptyoniidae
Full reference: E. D. Cope. 1875. Check-list of North American Batrachia and Reptilia; with a systematic list of the higher groups, and an essay on geographical distribution. Based on the specimens contained in the U. S. National Museum. Bulletin of the United States National Museum 1:1-109
Parent taxon: Microsauria according to E. D. Cope 1875
See also Hay 1902
Sister taxa: Altenglanerpeton, Amblyodon, Archerpeton, Barillopus, Cymatorhiza, Dromillopus, Eurythorax, Haplosauri, Hylonomidae, Hyphasma, Microbrachidae, Microbrachomorpha, Novascoticus, Ornithoides, Paramicrobrachis, Pariostegus, Protritonidae, Puertollanopus, Sauropleuridae, Saxonerpeton, Stenichnus, Thyrsidium, Tuditanomorpha, Urosauri, Utaherpeton
Subtaxa: Lepterpeton
Type: Ptyonius
Ecology:
Distribution:
• Carboniferous of the Czech Republic (1 collection), Ireland (1)
Total: 2 collections each including a single occurrence